As the CeBIT upcoming convention in Germany nears, Canonical has announced what it will be showcasing at the event???which, in turn, provides some clues about where the company behind one of the world’s most popular open source operating systems might be concentrating its efforts in coming months. Alas, Ubuntu tablets are not on the list. But if you’re interested in Ubuntu on servers in and the cloud, there’s going to be a lot to see in Hanover between March 5 and 9.